<div class="menu_first">
	<div class="tool_class">
		<span>工具</span>
		<ul>
			<li class="tool_line">添加直线</li>
			<li class="tool_square">添加方框</li>
			<li class="tool_text">添加文字</li>
		</ul>
	</div>
	<div class="operation_class">
		<span>操作</span>
		<ul>
			<li class="undo disabled">撤销</li>
			<li class="redo disabled">重做</li>
			<li class="clear disabled">全部清除</li>
			<li class="saveAsImg disabled">保存批注</li>
		</ul>
	</div>
</div>
<div class="menu_second">
	<ul>
		<li>直线</li>
		<li>波浪线</li>
		<li>矩形框</li>
		<li>椭圆形</li>
	</ul>
</div>
<div class="cover_class"></div>
<div class="choose_class"></div>
<div class="text_class">
	<textarea style="resize:none"></textarea>
	<div class="text_buttons">
		<button class="text_confirm">确定</button>
		<button class="text_cancel">取消</button>
	</div>
</div>